EP1362930A4 - Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof - Google Patents

Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof

Info

Publication number
EP1362930A4
EP1362930A4 EP02700640A EP02700640A EP1362930A4 EP 1362930 A4 EP1362930 A4 EP 1362930A4 EP 02700640 A EP02700640 A EP 02700640A EP 02700640 A EP02700640 A EP 02700640A EP 1362930 A4 EP1362930 A4 EP 1362930A4
Authority
EP
European Patent Office
Prior art keywords
production
steel sheet
fatigue strength
thin steel
notch fatigue
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02700640A
Other languages
German (de)
French (fr)
Other versions
EP1362930A1 (en
Inventor
Tatsuo Yokoi
Natsuko Sugiura
Naoki Yoshinaga
Koichi Tsuchihashi
Takehiro Nakamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of EP1362930A1 publication Critical patent/EP1362930A1/en
Publication of EP1362930A4 publication Critical patent/EP1362930A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • C21D8/0226—Hot rolling
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
    • C21D8/0273—Final recrystallisation annealing
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/022—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by heating
    • C23C2/0224—Two or more thermal pretreatments
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • C23C2/024—Pretreatment of the material to be coated, e.g. for coating on selected surface areas by cleaning or etching
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
    • C23C2/36—Elongated material
    • C23C2/40—Plates; Strips
EP02700640A 2001-02-23 2002-02-20 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof Withdrawn EP1362930A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2001049012 2001-02-23
JP2001049012 2001-02-23
JP2001247306A JP3927384B2 (en) 2001-02-23 2001-08-16 Thin steel sheet for automobiles with excellent notch fatigue strength and method for producing the same
JP2001247306 2001-08-16
PCT/JP2002/001498 WO2002066697A1 (en) 2001-02-23 2002-02-20 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof

Publications (2)

Publication Number Publication Date
EP1362930A1 EP1362930A1 (en) 2003-11-19
EP1362930A4 true EP1362930A4 (en) 2004-11-24

Family

ID=26610025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02700640A Withdrawn EP1362930A4 (en) 2001-02-23 2002-02-20 Thin steel sheet for automobile excellent in notch fatigue strength and method for production thereof

Country Status (7)

Country Link
US (1) US20040069382A1 (en)
EP (1) EP1362930A4 (en)
JP (1) JP3927384B2 (en)
KR (1) KR100572762B1 (en)
CN (1) CN1221680C (en)
CA (1) CA2438393A1 (en)
WO (1) WO2002066697A1 (en)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1444374B9 (en) * 2001-10-04 2015-02-18 Nippon Steel Corporation High-strength thin steel sheet drawable and excellent in shape fixation property and method of producing the same
JP4276482B2 (en) * 2003-06-26 2009-06-10 新日本製鐵株式会社 High-strength hot-rolled steel sheet with excellent ultimate deformability and shape freezing property and its manufacturing method
TWI248977B (en) 2003-06-26 2006-02-11 Nippon Steel Corp High-strength hot-rolled steel sheet excellent in shape fixability and method of producing the same
JP4506971B2 (en) * 2004-04-22 2010-07-21 株式会社神戸製鋼所 High-strength cold-rolled and plated steel sheets with excellent formability
KR100960167B1 (en) 2004-07-27 2010-05-26 신닛뽄세이테쯔 카부시키카이샤 High young's modulus steel plate, zinc hot dip galvanized steel sheet using the same, alloyed zinc hot dip galvanized steel sheet, high young's modulus steel pipe, and method for production thereof
JP4445365B2 (en) * 2004-10-06 2010-04-07 新日本製鐵株式会社 Manufacturing method of high-strength thin steel sheet with excellent elongation and hole expandability
US7588837B2 (en) * 2005-04-29 2009-09-15 The Timken Company Welding together low and high carbon steels
JP5114860B2 (en) * 2006-03-30 2013-01-09 Ｊｆｅスチール株式会社 Hot-dip galvanized steel sheet and manufacturing method thereof
DE502006003833D1 (en) * 2006-10-30 2009-07-09 Thyssenkrupp Steel Ag Method for producing steel flat products from a silicon-alloyed multiphase steel
ATE432372T1 (en) * 2006-10-30 2009-06-15 Thyssenkrupp Steel Ag METHOD FOR PRODUCING FLAT STEEL PRODUCTS FROM A STEEL FORMING A COMPLEX PHASE STRUCTURE
DE102006051545A1 (en) * 2006-11-02 2008-05-08 Schaeffler Kg Thermoformed machine component with at least one hardened running or guide surface, in particular motor element
KR20080061855A (en) * 2006-12-28 2008-07-03 주식회사 포스코 Dual phase steel having superior deep drawing, and method for manufacturing of it
JP5037412B2 (en) * 2008-04-16 2012-09-26 新日本製鐵株式会社 steel sheet
WO2011062151A1 (en) * 2009-11-18 2011-05-26 新日本製鐵株式会社 High strength hot-rolled steel plate exhibiting excellent acid pickling property, chemical conversion processability, fatigue property, stretch flangeability, and resistance to surface deterioration during molding, and having isotropic strength and ductility, and method for producing said high strength hot-rolled steel plate
BR112013001864B1 (en) * 2010-07-28 2019-07-02 Nippon Steel & Sumitomo Metal Corporation HOT LAMINATED STEEL SHEET, COLD LAMINATED STEEL SHEET, GALVANIZED STEEL SHEET AND SAME PRODUCTION METHOD
KR101329893B1 (en) * 2010-08-02 2013-11-15 주식회사 포스코 Thin Cold-Rolled Sheet Having High Strength and Formability and Method for manufacturing the Cold-Rolled Sheet
KR101329917B1 (en) * 2010-09-28 2013-11-14 주식회사 포스코 High strength thin cold-rolled sheet of superior bending formability and method for manufacturing the cold-rolled sheet
KR101360535B1 (en) * 2010-09-28 2014-02-21 주식회사 포스코 High strength thin cold-rolled sheet via cold rolling process and method for manufactureing the cold-rolled sheet
KR101329868B1 (en) * 2010-09-29 2013-11-14 주식회사 포스코 High strength thin cold-rolled sheet and method for manufacturing the cold-rolled sheet
KR101329869B1 (en) * 2010-09-29 2013-11-14 주식회사 포스코 High strength and high bending formability thin cold-rolled sheet and method for manufacturing the cold-rolled sheet
KR101329922B1 (en) * 2010-09-29 2013-11-14 주식회사 포스코 High strength and high bending formability thin cold-rolled sheet and method for manufacturing the cold-rolled sheet
RU2455088C2 (en) * 2010-10-07 2012-07-10 Открытое акционерное общество "Магнитогорский металлургический комбинат" Method of producing hot-rolled low-alloy steel reels
CN101974722A (en) * 2010-10-29 2011-02-16 河北钢铁股份有限公司唐山分公司 Steel plate for manufacturing concrete mixer tank and production method
BR112013025015B1 (en) 2011-03-28 2018-11-06 Nippon Steel & Sumitomo Metal Corporation cold rolled steel sheet and method of production thereof
TWI443201B (en) 2011-04-13 2014-07-01 Nippon Steel & Sumitomo Metal Corp Hot rolled steel sheet for gas nitrocarburizing and manufacturing method thereof
CA2831551C (en) * 2011-04-13 2016-03-08 Nippon Steel & Sumitomo Metal Corporation Hot-rolled steel sheet and method of producing the same
TWI457448B (en) * 2011-04-13 2014-10-21 Nippon Steel & Sumitomo Metal Corp High strength cold rolled steel sheet with excellent natural
WO2012161241A1 (en) 2011-05-25 2012-11-29 新日鐵住金株式会社 Cold-rolled steel sheet and method for producing same
CN103781932B (en) * 2011-07-06 2016-05-25 新日铁住金株式会社 Cold-rolled steel sheet
PL2738274T3 (en) 2011-07-27 2019-05-31 Nippon Steel & Sumitomo Metal Corp High-strength cold-rolled steel sheet with excellent stretch flangeability and precision punchability, and process for producing same
KR101382908B1 (en) * 2014-03-05 2014-04-08 주식회사 포스코 Thin steel sheet having ultra high strength and manufacturing method of the same
KR101897932B1 (en) * 2014-07-14 2018-09-12 신닛테츠스미킨 카부시키카이샤 Hot-rolled steel sheet
US10226800B2 (en) 2014-07-14 2019-03-12 Nippon Steel & Sumitomo Metal Corporation Hot-rolled steel sheet
CN105177425B (en) * 2015-09-26 2017-06-20 哈尔滨工程大学 A kind of cupric nanometer mutually strengthens low-alloy steel and preparation method thereof
CN107557673B (en) * 2016-06-30 2019-03-22 鞍钢股份有限公司 A kind of high-strength hot rolling acid-cleaning steel plate of high-elongation and its manufacturing method
WO2020022481A1 (en) 2018-07-27 2020-01-30 日本製鉄株式会社 High-strength steel plate
CN112326551B (en) * 2020-11-13 2023-07-18 江苏省沙钢钢铁研究院有限公司 Test method for performance of composite steel plate
CN113528947B (en) * 2021-06-21 2022-03-25 武汉钢铁有限公司 Steel for high-plasticity-toughness automobile structural part with tensile strength of 1500MPa produced by CSP and production method

Citations (8)

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Publication number Priority date Publication date Assignee Title
US4572748A (en) * 1982-11-29 1986-02-25 Nippon Kokan Kabushiki Kaisha Method of manufacturing high tensile strength steel plates
EP0586704A1 (en) * 1991-05-30 1994-03-16 Nippon Steel Corporation High-yield-ratio hot-rolled high-strength steel sheet excellent in formability or in both of formability and spot weldability, and production thereof
US5470529A (en) * 1994-03-08 1995-11-28 Sumitomo Metal Industries, Ltd. High tensile strength steel sheet having improved formability
EP0719868A1 (en) * 1994-12-26 1996-07-03 Kawasaki Steel Corporation Steel sheet for automobiles having excellent impact resistance and method of manufacturing the steel sheet
WO1997039152A1 (en) * 1996-04-16 1997-10-23 Centre De Recherches Metallurgiques - Centrum Voor Research In De Metallurgie Method for producing a hot-rolled high-tensile steel strip
EP0969112A1 (en) * 1997-03-17 2000-01-05 Nippon Steel Corporation Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same
EP1026278A1 (en) * 1998-07-27 2000-08-09 Nippon Steel Corporation Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof
EP1201780A1 (en) * 2000-04-21 2002-05-02 Nippon Steel Corporation Steel plate having excellent burring workability together with high fatigue strength, and method for producing the same

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* Cited by examiner, † Cited by third party
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JP3219820B2 (en) * 1991-12-27 2001-10-15 川崎製鉄株式会社 Low yield ratio high strength hot rolled steel sheet and method for producing the same
KR940702231A (en) * 1992-06-22 1994-07-28 미노루 다나까 COLD ROLLED STEEL SHEET AND HOT DIP AINC-COATED COLD ROLLED STEEL SHEET HAVING EXCELLENT BAKE HARDENABILITY, NON-AGING PROPERTIES AND FORMABILITY, AND PROCESS FOR PRODUCING SAME)
JPH1060527A (en) * 1996-08-21 1998-03-03 Sumitomo Metal Ind Ltd Production of steel having high young's modulus
JP3417878B2 (en) * 1999-07-02 2003-06-16 株式会社神戸製鋼所 High-strength hot-rolled steel sheet excellent in stretch flangeability and fatigue properties and its manufacturing method
JP4060997B2 (en) * 1999-08-27 2008-03-12 新日本製鐵株式会社 High-strength cold-rolled steel sheet and high-strength galvanized cold-rolled steel sheet excellent in bendability and deep drawability and manufacturing method thereof
US6733601B2 (en) * 2001-01-18 2004-05-11 Jfe Steel Corporation Ferritic stainless steel sheet with excellent workability

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572748A (en) * 1982-11-29 1986-02-25 Nippon Kokan Kabushiki Kaisha Method of manufacturing high tensile strength steel plates
EP0586704A1 (en) * 1991-05-30 1994-03-16 Nippon Steel Corporation High-yield-ratio hot-rolled high-strength steel sheet excellent in formability or in both of formability and spot weldability, and production thereof
US5470529A (en) * 1994-03-08 1995-11-28 Sumitomo Metal Industries, Ltd. High tensile strength steel sheet having improved formability
EP0719868A1 (en) * 1994-12-26 1996-07-03 Kawasaki Steel Corporation Steel sheet for automobiles having excellent impact resistance and method of manufacturing the steel sheet
WO1997039152A1 (en) * 1996-04-16 1997-10-23 Centre De Recherches Metallurgiques - Centrum Voor Research In De Metallurgie Method for producing a hot-rolled high-tensile steel strip
EP0969112A1 (en) * 1997-03-17 2000-01-05 Nippon Steel Corporation Dual-phase high-strength steel sheet having excellent dynamic deformation properties and process for preparing the same
EP1026278A1 (en) * 1998-07-27 2000-08-09 Nippon Steel Corporation Ferrite-based thin steel sheet excellent in shape freezing feature and manufacturing method thereof
EP1201780A1 (en) * 2000-04-21 2002-05-02 Nippon Steel Corporation Steel plate having excellent burring workability together with high fatigue strength, and method for producing the same

Also Published As

Publication number Publication date
CA2438393A1 (en) 2002-08-29
WO2002066697A1 (en) 2002-08-29
US20040069382A1 (en) 2004-04-15
JP2002322533A (en) 2002-11-08
EP1362930A1 (en) 2003-11-19
KR100572762B1 (en) 2006-04-24
KR20030077018A (en) 2003-09-29
CN1492938A (en) 2004-04-28
CN1221680C (en) 2005-10-05
JP3927384B2 (en) 2007-06-06

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